[PATCH] shmem: fix build regression

[Wolfram Sang]

commit 6b4d0b27 (clean shmem_file_setup() a bit) broke allnoconfig since
this needs the NOMMU path where 'error' is still needed:

mm/shmem.c:2935:2: error: 'error' undeclared (first use in this function)

Signed-off-by: Wolfram Sang <wsa@xxxxxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
 mm/shmem.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/shmem.c b/mm/shmem.c
index ed2befb..56ff7d7 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2897,6 +2897,7 @@ static struct dentry_operations anon_ops = {
  */
 struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags)
 {
+	int error;
 	struct file *res;
 	struct inode *inode;
 	struct path path;
-- 
1.7.10.4

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